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Redwood City Police gystem Performance <br /> Department <br /> �� waits for a short time after it receives a transmission.to see if other <br /> copies of the same message will azrive from other sites. <br /> (5) RNC Input Pro ho ��cknowledgment to be��to is <br /> spht mto two transac <br /> the Mobile Data Tesminal and a message to be forwazded to the <br /> application seTVer. <br /> (6) �RNC Output and Queue-This Process and queue simulates the <br /> translation of the RF to application server protocol including fhe <br /> assembly of inessage packets• 'The queuing statistics for those <br /> messages passing to the application server aze also accumulated at <br /> this point. <br /> (7) putbound ACK Scheduling-This block schedules the <br /> acknowledgment to the inbound message at a higher prioni�'than <br /> any outbound me.ssage• , <br /> � (8) Message Packetization-The long messages received from <br /> terminals are broken into the RD-LAP packets in this simulation <br /> block. <br /> � (9) RNC Input and Queue-The process of receiving new <br /> messages from the application server,translating them to the RF <br /> protocol (including packetization), as well as anY inPut queue <br /> operations, are simulated in these blocks. <br /> (10) Transmit Pmcess -This block performs the transm�tte�'site <br /> selection procedure of verifying the Mobile Data Teiminal site <br /> registration table. Delivery of the message to the Data Station is <br /> included in this block. <br /> (11) Outbound Channel and Outbound Queue-These facilities <br /> model the outbound channel as a si.ngle server queue. Queue <br /> delays for messages waiting ac.cess to the outbound channel are <br /> accounted for�here. The facilitY is held busy for the dt�ration of the <br /> message transmissions. <br /> (12) Message Termination-This block is the compliment to block, <br /> 6 in the RNC,in that message packets from the Mobile Data <br /> Tetminal aze assembled. <br /> QrrroroRVU� " 3 -7 . <br /> _. __ _ _ <br />